Model 221 Silicon Sensor Head

Model 221 Silicon Sensor Head Power Range (watts) 1 x 10-12 to 1 x 10-3 Calibration 350 - 1100 nm In 10 nm steps Effective Aperture 1cm2 Typical Response 0.56 A / W @ 940 nm Compatible Accessories 2550 Diffuser, 2500, 2525 Integrating Spheres, Bandpass filters